package com.atguigu.gulimall.product.exception;

import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Lyyyys
 * @version 1.0
 * @date 2021/12/13 18:46
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{}，异常类型：{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> errormap = new HashMap<>();
            //1.获取校验的错误结果
        bindingResult.getFieldErrors().forEach((fieldError) ->{
                errormap.put(fieldError.getField(),fieldError.getDefaultMessage());
            });
        return R.error(400,"提交数据不合法").put("data",errormap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error();
    }

}
